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Chang Xu

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Exploiting Sophisticated Static Analysis for VerilogPLDI 20262026-06-15
A Verilog static-analysis framework named THU provides a front end, IR, analysis manager and a suite of 40 analyses built on reusable fundamentals (bit-vector…
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Pointer Analysis for Database-Backed ApplicationsPLDI 20252025-06-16
DBridge is an end-to-end pointer analysis that constructs Java-to-database value flows for JDBC/Hibernate/Spring Data JPA apps, implemented as 14K LoC and…
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The Essence of Verilog: A Tractable and Tested Operational Semantics for Verilo...OOPSLA 20232023-10-23
Claim: a compact operational semantics captures Verilog’s tricky behaviors and serves as a reference. The work defines a λV core language that desugars real…
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Context Sensitivity without Contexts: A Cut-Shortcut Approach to Fast and Precise(…)PLDI 20232023-06-17
Proposes Cut-Shortcut that cuts PFG edges causing merged flows and adds direct shortcut edges to simulate context sensitivity without cloning; implements two…
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Making Pointer Analysis More Precise by Unleashing the Power of Selective Context SensitivityOOPSLA 20212021-10-17
Proposes Unity-Relay, a meta-framework that combines multiple selective context sensitivity strategies and, when needed, runs them in successive passes using…
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